Question #3970

Can I get help to solve this question:
Find all the values of & x in the int(0,2pi) & for the equation sinx = -cosx

Expert's answer

sinx = -cos x

tan x = -1

x = 3/4 π + π n, n = 0,1

I.e.

x_{1} = 3/4 π

x_{2} = 7/4 π

tan x = -1

x = 3/4 π + π n, n = 0,1

I.e.

x

x

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